DocCloak for individuals is a browser add-on which allows users to encrypt and distribute Google Docs, Microsoft Live Office and Zoho Office documents.
DocCloak for individuals allows users to share public-key encrypted documents with up to three other users.
DocCloak for individuals uses a simple desktop-based key management system that keeps track of who has access to your shared documents. This simple access control method is ideal for small groups of users who need to share documents quickly, easily and securely.